MathDB
SMT 2009 Team 1

Source:

December 27, 2011
countingdistinguishability

Problem Statement

In the future, each country in the world produces its Olympic athletes via cloning and strict training programs. Therefore, in the fi nals of the 200 m free, there are two indistinguishable athletes from each of the four countries. How many ways are there to arrange them into eight lanes?